# System Control Coprocessor interactions

The unit at [drv/arm/sccp.fs] provides convenience words to interact with the
System Control Coprocessor, also known as CP15.

Far from every possible accesses are implemented, only those relevant to Dusk's
interests.

Constants:

cpSC  15

Register access words:

"@" words have a ( -- n ) signature, "!" ones have a "( n -- )" one.

cpuid@     Register 0 opcode 0
cachetype@ Register 0 opcode 1
armctl@    Register 1 opcode 0
armctl!
